As her youthful journey nearly comes to an end, Mariela Solisidad Esperanza became determined to be the valedictorian of her batch and achieve more credentials for college, rather than enjoying her last high school year to the fullest. But her determination was tested when Rigil Matheson Rivadenera decided to spend his senior year at the same university. Little did she know, he would be the cause of her biggest mistake... a beautiful mistake.

Sarinah Franshey Monteverde has this life that every girl dreams to have. She can easily get what she wants with just one snap of her finger. She has a life with no pressure, no hardship, no suffering, no problem, and no limitation. She grew up without enduring the hardship of life as she lives in a wealthy family. Her parents treasure her and treat her like a baby since she was the only child they have. Her dad spoiled her too much and does anything just to make her happy. While her mom, who also became her bestie, only wants what's for the best for her. But right after she turned 19, she was betrayed by her own mother after telling her that she was bound to marry Calihson Franco Ferrer, the unico hijo of her Mom's best friend.

Vinaux Gabriel Monteverde is one of the hottest stars living in his universe who is admired by many students because of his talent and visual. He's the guitarist of a popular band on campus. Living in a different universe, a dedicated high school student, Felicity Shayne Villegas just wants to graduate and pursue her dream of becoming an attorney to escape the cruelty and toxicity of her life. He shines as bright as a star in his universe while she searches for light in her dark world. But what will happen if these two opposite universes collide... again?

After what her ex-boyfriend did to her, Yzel Lexine Salvador promised herself that she will not be going to fall in love again because she believe that falling in love may be the best but also the worst thing that can happen in her life. Not until he noticed Zyke Tyson Monteverde, her twin sister's first love.

They say that women takes fifteen days to fall in love while men only takes seconds to know if she's the one. Pero paano kung bago palang kayo magkita ay alam niyo nang mahal niyo na ang isa't-isa? Just like Eliyah and Zeshua. Eliyah's high school life is as just simple as plain rice, until she met Zeshua. The guy who will give her a butterfly effect while giving him a death stare.

Compilation of untold scenes happened in High School Series.